Home / 309,433,380.16-427,049,385.36-177,291,904.48

Finding the Fourth Proportional to 309,433,380.16, 427,049,385.36 and 177,291,904.48

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Solution

The fourth proportional to 309,433,380.16, 427,049,385.36 and 177,291,904.48 is: 244,680,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,433,380.16 : 427,049,385.36 = 177,291,904.48 : x
  2. Step 2: Convert to fraction form
    309,433,380.16/427,049,385.36 = 177,291,904.48/x
  3. Step 3: Cross multiply
    309,433,380.16x = 427,049,385.36 × 177,291,904.48
  4. Step 4: Simplify right side
    309,433,380.16x = 75,712,398,837,487,824
  5. Step 5: Solve for x
    x = 75,712,398,837,487,824/309,433,380.16
  6. Step 6: Final answer
    x = 244,680,773.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.